Ford Mustang (1999-2004) Service Manual: Transmission Description (Description and Operation)
The 4R70W has the following features:
- Wide ratio gears
- Four speeds
- Rear wheel drive
- Automatic
- Electronic shift
- Torque converter clutch control
- Line pressure controls
The transmission uses Ravigneaux-style double-pinion gearset with two bands, one one-way roller clutch, one mechanical diode and four friction clutches to produce four forward gears and Reverse.
4R70W Automatic Transmission

Automatic Transaxle/Transmission
General Specifications
a - MERCON V is not interchangeable at this time with the current MERCON
fluids. Check the
transmission fluid level indicator to determine the correct fluid and refer to
the ...
Identification Tags
All vehicles are equipped with a Vehicle Certification Label, located
on the driver side door lock post.
For correct transmission identification, refer to the code in the space
marked TR.
...
Other materials:
Closing the convertible top
Note: The convertible top will not operate unless the vehicle is
stationary or traveling under 3 mph (5 kmh).
Note: Make sure that the latch handles are pulled down and in the fully
opened position before the top makes contact with the windshield
header. This ...
Engine block heater
WARNING: Failure to follow engine block heater instructions
could result in property damage or physical injury.
WARNING: Do not use your heater with ungrounded electrical
systems or two-pronged (cheater) adapters. There is a risk of
electrical shock.
Note: The ...
Installation
1. CAUTION: Do not use metal scrapers, wire brushes, power abrasive
discs or other
abrasive means to clean the sealing surfaces. These tools cause scratches and
gouges
which make leak paths. Use a plastic scraping tool to remove all traces of old
sealant.
...
